AQI 好久没这么低过了RT @BeijingAir: 10-26-2014 17:00; PM2.5; 8.0; 33; Good (at 24-hour exposure at this level)
10-26-2014 17:00; PM2.5; 8.0; 33; Good (at 24-hour exposure at this level)
-
-
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.